Cefuroxime EP Impurity B Sodium salt

Chemical Name: (6R,7R)-3-[(acetyloxy)methyl]-7-[[(Z)-(furan-2-yl)(methoxyimino)acetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid Sodium salt (as per EP)

Synonym: (S)-4-(3-(methylamino)-1-(thiophen-2-yl)propoxy)naphthalen-1-ol acetate

Smile: O=C(C(N12)=C(COC(C)=O)CS[C@]2([H])[C@H](NC(/C(C3=CC=CO3)=N\OC)=O)C1=O)O.[Na]